Quiz_20b - of the mirror relative to the ground? a) 0.5 m/s...

Physics 241 –Quiz 20b – April 10, 2008 A man is standing still in front of a mirror, and the mirror is moved toward him at an unknown speed. If the speed of the man’s image relative to the ground is measured to be 2 m/s, what is the speed

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Unformatted text preview: of the mirror relative to the ground? a) 0.5 m/s b) 1 m/s c) 2 m/s d) 2.5 m/s e) 3 m/s When the mirror moves by a, the image moves by 2a. So the image speed is double that of the mirror. a 2a...
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